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PRELIMINARY EXAMINATION
Dear Customer,
Thank you for choosing a HANNA product.
Please read this instruction manual carefully
before using the instrument.
For additional technical information, do not
hesitate to e-mail us at [email protected]
This instrument is in compliance with the
directives.
PRELIMINARY EXAMINATION ................... 3
GENERAL DESCRIPTION ......................... 3
FUNCTIONAL DESCRIPTION ..................... 4
SPECIFICATIONS ...................................... 5
OPERATIONAL GUIDE .............................. 6
BATTERY REPLACEMENT ....................... 7
ERROR MESSAGES ................................. 8
FACTORY RECALIBRATION ..................... 8
ACCESSORIES ......................................... 8
WARRANTY .............................................. 9
TABLE OF CONTENTS
HI 93640N portable thermohygrometer provides
reading with high precision and quick response
time for both RH (Relative Humidity) and tem-
perature.
HI 93640N is a compact, portable and versa-
tile instrument to monitor relative humidity
anywhere.
The built-in thin-film capacitance sensor as-
sures accurate measurements from 10 to 95%
RH with a resolution of 0.1%.
Note: The RH probe sensor must never
come into contact with water or
other liquids.
GENERAL DESCRIPTION
Remove the instrument from the packing ma-
terial and examine it to make sure that no
damage has occurred during shipping. If there
is any damage, notify your Dealer.
HI 93640N is supplied complete with probe
sintered cap, batteries (3 x 1.5V AA) and
instructions.
Note: Save all packing material until you
are sure that the instrument functions
correctly. All defective items must be
returned in the original packing with
the supplied accessories.